PT  - JOURNAL ARTICLE
AU  - S. Ewig
TI  - Questions with inconclusive answers
AID  - 10.1183/09031936.02.04202002
DP  - 2002 Oct 01
TA  - European Respiratory Journal
PG  - 1064--1065
VI  - 20
IP  - 4
4099  - http://erj.ersjournals.com/content/20/4/1064.short
4100  - http://erj.ersjournals.com/content/20/4/1064.full
SO  - Eur Respir J2002 Oct 01; 20